213171010 has 32 divisors (see below), whose sum is σ = 414236592. Its totient is φ = 78516480.

The previous prime is 213170987. The next prime is 213171011. The reversal of 213171010 is 10171312.

213171010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 9566649 + 203604361 = 3093^2 + 14269^2 .

It is not an unprimeable number, because it can be changed into a prime (213171011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58152 + ... + 61708.

Almost surely, 2^213171010 is an apocalyptic number.

213171010 is a deficient number, since it is larger than the sum of its proper divisors (201065582).

213171010 is a wasteful number, since it uses less digits than its factorization.

213171010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 213171010 is about 14600.3770499258. The cubic root of 213171010 is about 597.3690451380.

The spelling of 213171010 in words is "two hundred thirteen million, one hundred seventy-one thousand, ten".